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Sakaue Lab
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The lab combines lasers and accelerators to create new sources of light and quantum beams.
AboutAbout the lab
Creating, using, and inventing light and quantum beams.
The Sakaue Lab pursues research that combines light, represented by lasers, with quantum beams produced by accelerators, in order to open up new light and quantum beam sources.
Light and quantum beams are used in a wide range of settings in society, including medical and infrastructure diagnostics and semiconductor manufacturing.
The lab also works on making accelerators smaller and on applications to laser processing.
It is a newly launched lab, and it is designing and building research equipment that uses lasers and accelerators from scratch.
Key terms
- Quantum beam
- A directed bundle of particles or radiation, such as electrons, protons, or ions, extracted as a beam with aligned directions
- Accelerator
- A device that uses electric fields to accelerate particles such as electrons and give them high energy
- Free-electron laser
- A laser in which a high-speed electron beam and light interact within a periodic magnetic field to produce lasing
NewsLab news
A student received the Young Researcher Poster Presentation Award at the Beam Physics Workshop (Young Researchers' Meeting)
A student received the Student Outstanding Presentation Award from the Physical Society of Japan
A student received the Annual Meeting Award from the Particle Accelerator Society of Japan
A student received the Young Researcher Presentation Award at the Beam Physics Workshop (Young Researchers' Meeting)
A student received a Presentation Award (Gold Prize) at the international school ISBA2024
ResearchResearch themes
The lab develops new light and quantum beam sources based on lasers, accelerators, and their combination, and works on making accelerators more compact. It aims to realize "light-driven beam acceleration," in which light is used to accelerate beams of particles.
*Illustrative imageA tiny accelerator on a chip
The lab studies "laser dielectric acceleration," in which laser light is converted into a wave that can accelerate particles through microscopic structures. Because the structures are fabricated on a chip, accelerators can be made dramatically smaller.
*Illustrative imagePre-bunched free-electron laser
Using a free-electron laser driven by a very short electron beam, the lab aims to achieve lasing in the terahertz range in collaboration with Kyoto University. It also plans to accelerate an electron beam with the laser light produced.
*Illustrative imageDevelopment of lasers for research
The lab develops lasers tailored to their purpose, for use in beam acceleration, laser processing, and electron beam generation. It builds fiber lasers using ytterbium and thulium.
MembersFaculty
The members of the Sakaue Lab consist of faculty, along with doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorKazuyuki SakauePublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “KEK Electron-Positron Linac P9024765” Kestrel / CC BY-SA 4.0 (cropped)
- A tiny accelerator on a chip: “"Lines made with light" - diffraction gratings at the UK ATC ( )” Science and Technology Facilities Council / CC BY-SA 2.0 (cropped)
- Pre-bunched free-electron laser: “SACLA Undulator” SRIA / CC BY-SA 4.0 (cropped)
- Development of lasers for research: “Зеркало резонатора волоконного лазера в темноте (Resonator mirror of Er ZBLAN fiber laser and its working fiber in the dark)” Hius1 / CC BY 4.0 (cropped)
- Related lab (Yamashita Lab): “17 mCi Ac-225(NO3)3 at ORNL by Dr Andrew R Burgoyne” Dr Andrew R. Burgoyne / CC BY-SA 4.0 (cropped)
- Related lab (Ishikawa-Sato Lab): “The Art of Science 2018 finalists ( )” Oak Ridge National Laboratory（Jason Richards） / CC BY 2.0 (cropped)
- Related lab (Hasegawa Lab): “Table GWMorley” Gavin Morley / CC BY-SA 4.0 (cropped)
- Related lab (Shimazoe Lab): “PET Normal brain” US National Institute on Aging, Alzheimer's Disease Education and Referral Center / Public domain (cropped)
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